Active double-balanced mixer

Details Active double-balanced mixer Active double-balanced mixer

2006-06-13

2006-06-13

Urban, Edward F. (Department: 2685)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S311000, C455S333000, C330S261000

Reexamination Certificate

active

07062247

ABSTRACT:
The present invention describes active double-balanced mixers. The mixers use an isolation and matching section that provides RF section input matching and superior isolation between the LO and RF port. The mixers can be implemented using an inexpensive semiconductor processing technology, obviating the need for matching inductors and facilitating a low-cost, low-power fully integrated wireless receiver.

REFERENCES:
patent: 4156283 (1979-05-01), Gilbert
patent: 4931746 (1990-06-01), Trankle et al.
patent: 5140286 (1992-08-01), Black et al.
patent: 5920810 (1999-07-01), Finol et al.
patent: 6144846 (2000-11-01), Durec
patent: 6230001 (2001-05-01), Wyse
patent: 6275688 (2001-08-01), Takagi et al.
patent: 6345178 (2002-02-01), Haapala
patent: 6348830 (2002-02-01), Rebeiz et al.
patent: 6515547 (2003-02-01), Sowlati
patent: 6587678 (2003-07-01), Molnar et al.
patent: 6704559 (2004-03-01), Hageraats
Axel Schmidt et al.; “A Universal Dual Band LNA Implementation in SiGe Technology for Wirless Applications”; IEEE Journal of Solid-State Circuits; vol. 36, No. 7; Jul. 2001; pp. 1127-1131.
Dennis Yee et al; “A 2-GHz Low-Power Single-Chip CMOS Receiver for WCDMA Applications”; Berkeley Wireless Research Center; Dept. of EECS; University of California (Berkeley); pp. 1-4.
K. Kivekäs et al.; “Design of Low-Voltage Active Mixer For Direct Conversion Receivers”; Electronic Circuit Design Laboratory; Helsinki University of Technology; 2001; pp. 382-385.
Esa Tiliharju et al.; “A Direct-Conversion BICMOS Mixer for GHZ Applications”; Helsinki University of Technology; Electronic Circuit Design Laboratory; Department of Electrical and Communications Engineering; 2001; pp. 1599-1602.
Kiran Nimmagadda et al.; “A 1.9GHz Double-Balanced Subharmonic Mixer for Direct Conversion Receivers”; IEEE Radio Frequency Integrated Circuits Symposium; 2001; pp. 253-256.
Zhaofeng Zhang et al.; “A CMOS Self-Mixing-Free Front-End for Direct Conversion Applications”; Department of Electrical & Electronic Engineering Hong Kong University of Science & Technology; 2001; pp. 386-389.
Danilo Manstretta et al.; “Low 1/f Noise CMOS Active Mixers for Direct Conversion”; IEEE Transactions on Circuits and Systems—II; Analog and Digital Signal Processing; vol. 48; No. 9; Sep. 2001; pp. 846-850.

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